Jet Tools JWBS-18X-3 manuale d’uso

Operating Instructions and Parts Manual 18” Band Saw Models: JWBS-18X, JWBS-18X-3 WMH TOOL GROUP 2420 Vantage Drive Elgin, Illinois 60123 Part No. M-710750 Ph.: 800-274-6848 Revision B 5/05 www.wmhtoolgroup.com Copyright © WMH Tool Group This Manual is Bookmarked[...]

2 This manual has been pre pared for the owner an d o perators of JET JWBS-18X and JWBS-18X-3 Band Saws. Its purpose, aside from machine operation, is to promote safety using accepted operating and maintenance procedures. To obtain maximum life and effi ciency from your ban d saw and to aid in using it safely, please read this manual thoroug hl y a[...]

3 Table of Contents Warranty ....................................................................................................................... ................................. 2 Table of Contents .............................................................................................................. ............................ 3 Warni[...]

4 Warning 1. Read and understand the entire o wner's manual before attemptin g assembly or operation. 2. Rea d and understand the warnings posted on the mach ine and in this manual. Failure to comply with all of these warnings may cause seri ous injury. 3. Replace the warning labels if they become obscu red or removed. 4. This band saw is desi[...]

5 blahblahblah 20. Make your workshop child proof with padlocks , master switc hes or by removing starter keys. 21. Give your work undivided attention. Looking ar ound, carrying on a conversation and “horse-play” are careless acts that can result in serious inj ury. 22. Maintain a balanced stance at all times so that you do not fall or lean a g[...]

6 Introduction This manual is provided by Jet covering the safe operation and maintenance pro cedures for models JWBS-18X and JWBS-18 X-3 Band Saws. This manual c ontains in structions on installation, safety precautions, general o perating procedures, mainten ance instructions a nd parts breakd own. This machine has been designed and constru cted [...]

7 Grounding Instructions 1.75 HP Single Phase Motor This machine must be grounded while in use to protect the opera tor from electric shock. In the event of a malfunction or br eakdown, grounding provides a path of least resistance fo r electric current to reduce the risk of electric shock. This tool is eq uipped with an electric cord having an equ[...]

8 Grounding Instructions 3 HP Single Phase Motor Electrical connections must be made by a qualified electri cian in compliance with all relevant codes. This machine must be properly grounded to help prevent electrical shock and possible fatal injury. This machine must be grounde d. In the event of a malfunction or breakdown, grounding provides a pa[...]

9 Unpacking Contents of Shipping Container 1 Band Saw 1 Table 1 Fence and Rail Assembly 1 Resaw Guide and Knob 1 Miter Gauge 1 Owner’s Manual 1 Warranty Card 1 Accessory Package Contains: Hardware Bag 2 Knobs 1 Handle 1 10/12mm Wrench Fence Hardware Bag 4 Hex Cap Screws 4 Flat Washers 4 Lock Washers Rail Hardware Bag 9 Hex Cap Screws 9 Flat Washe[...]

10 Assembly Handwheel Attach the handle (A, Fig. 3) to the handwheel (B, Fig. 3). Mounting the Table Important : The table is heavy. Mounting with the help of another person is recommended . Referring to Figures 4 and 5: 1. Remove the table insert (A) and tapered pin (B). 2. Slide the table so the saw blade (D) passe s through the slot where the ta[...]

11 Fence Assembly and Adjustment Assembling the Fence to Fence Bod y Referring to Figure 7: 1. Attach the fence (A) to the fence body (B) with four 5/16” x 3/4” hex cap scre ws (C), four 5/16” lock washers (D), and four 5/16” flat washers (E). Hand-tighten only at this time. Assembling the Rear Hook Referring to Figure 8: 2. Thread a 1/4&qu[...]

12 Fence Adjustment 5. Place the fence assembly onto the guide rail (D, Fig. 9) and against the edge of the miter slot (C, Fig. 9). The hook at the rear of the fence should fit under the rear rail (see Figure 12). The fence must align parallel to the miter slot along the entire length of the fence. If adjustment is necessary: 6. Lock the fence by p[...]

13 Adjusting Clearance betwe en Fence and Table Referring to Figures 11 and 12: Check the clearance between the table and the fence. The fence should not rub against the table surface but be slightly above it. This gap should be the same at the front of the table as it is at the rear. If the gap between fence and table i s not consistent, loosen ei[...]

14 Adjustments Table Tilt 1. Disconnect machine from powe r source. 2. Loosen the lock knobs (G, Fig. 14). 3. Tilt table up to 45 degre es to the right, or up to 10 degrees to the left. 4. Tighten the lock knobs. Note : Table stop bolt (F, Fig. 14) must be removed to tilt table to the left. Adjusting 90 Degree Table Stop Blade tension must be prope[...]

15 Installing/Changing Blades Disconnect machine from power source. Blade teeth are sh arp, use care when handling the blade. Failure to comply may cause serious injury. 1. Disconnect machine from powe r source. 2. Decrease blade tension by rotating the blad e tension handwheel (A, Fig. 17) according to the arrow direction in until the handwh eel s[...]

16 Blade Tension Blade tension is set with the blade tension handwheel (A, Fig. 19) and is perform ed following blade replacement and periodi cally as the blade stretches from use. Disconnect machine from power source before making any adjustments. Referring to Figure 19: 1. Set the blade tension by rotating the handwheel according to the arrow di [...]

17 Overview – Bear ing Adjustments Thrust (back support) be aring are located behind the saw blade and provid e support to the back of the blade when the saw is in operation. Guide bearings are located on either side of the saw blade and provide sta bility for the blade when the saw is in operation. These bearings rotate on an eccentric shaft so [...]

18 Lower Bearing Adjustments Unplug the machine fro m power source before making any adjustments! Blade teeth are sharp - use care when working near the saw blade. Failure to comply may cause serious injury. Note: Blade tension must be p roperly adjusted prior to bearing guide setup. Refer to the Adjusting Blade Tension section. Referring to Figure[...]

19 Blade Lead Blade drift (also known as lead or fence drift ) is a problem that may occur when the bl ade begins to wander off the cutting line even when th e band saw fence is being used. Figure 24 shows an example of blade lead. Blade lead can be caused by a number of factors, and these should all be checked and corrected if necessary:  Fence[...]

20 Replacing the V-Belt Disconnect machine from power source before making any adjustments. 1. Release blade tension as describ ed in the Blade Tension section. 2. Release belt tension by loosening the two h ex cap screws (A, B, Fig. 25). The pivot bolt (B) is not visible. 3. Raise the motor and place a block of wood under the motor to take the ten[...]

21 the motor. The weight of the motor should p ut enough tension on the belt. You ju st want to push down lightly to take up any slack. 3. Tighten the two hex cap screws (A , B). Note: A new belt may stretch slightly during the “breaking in” process, and the tensio n may occasionally need to be checked a nd adjusted. Pulley Alignment The pulley[...]

22 Operation General Procedure 1. Make sure the blade and upper and lower bearings are properly adj usted for tension and tracking. 2. Adjust blade guide a ssembly so that the guide bearings are just above the workpi ece (about 3/16”) allowing mini mum exposure to the blade. See Figure 30. 3. If using the fence, move it into position and lock it [...]

23 Resawing Resawing is the process of slicing stock to reduce its thickness, o r to produce boards that are thinner than the original workpiece. Figure 33 demonstrates resa wing. The ideal blade for resawing is the widest one the machine can handle, as the wider the blade the better it can hold a straight line. When resawing thin stock, use a push[...]

24 Set The term "set" refers to the way in which the saw teeth are bent or po sitioned. Set patterns are usually selected depending on the type of material that needs to be cut. Three co mmon set patterns are shown in Figure 36. Generally, the Raker set is used for cutting metal workpieces; the Wave set, when the thickness of the workpiec[...]

25 Blade Selection Guide Identify the material and thickness of your workpi ece. The chart will show the recommended PITCH, blade TYPE, and FEED RATE. Key: H – Hook L – Low S – Skip M – Medium R – Regular H – High Example: 10/H/M means 10 teeth per inch / Hook Ty pe Blade / Medium Feed Study the part drawing or prototype, o r actually m[...]

26 Troubleshooting Trouble Probable Cause Remedy Saw unplugged Check plug connection s Fuse blown, or circuit breaker tri pped Replace fuse, or reset ci rcuit breaker Saw stops or will not start Cord damaged Replace cord Stop not adjusted correctly Check blade with square a nd adjust stop Angle pointer not set accurately Check blade with square a n[...]

27 Optional Accessories: Band Saw Blades Stock No. Material Length Width Thickness Type TPI 710030 ...... Carbon Steel ........... 137” ........ 1/4” ........... 0.025” .......... Skip ................ 6 710031 ...... Carbon Steel ........... 137” ........ 3/8” ........... 0.025” .......... Skip ................ 4 710032 ...... Carbon S[...]

28 Parts List: Upper Wheel Assembly Index No. Part No. Description Size Qty 1 .......... JWBS18DX-101 ................ Sa w Body ......................................................... 1.75HP ................. ..... 1 ............ JWBS18DX-101A.............. Sa w Body ......................................................... 3HP .................[...]

29 Upper Wheel Assembly[...]

30 Parts List: Lower Wheel and Motor Assembl y Index No. Part No. Description Size Qty 1 .......... JWBS18-201 ..................... Bearing Base ................................................... ...................... ............ 1 2 .......... JWBS20-62 ....................... Adjusting Bolt ................................................... [...]

31 52 ........ TS-1550031 ...................... Flat Washer ..................................................... M5 ................... .......... 2 53 ........ TS-0560071 ...................... Hex Nut ............................................................ #10-24 ............ ........... 2 54 ........ JWBS18DX-254 ................ Plastic [...]

32 Parts List: Blade Guide Assembly Index No. Part No. Description Size Qty 1 .......... TS-0051051 ...................... Hex Cap Screw ................................................ 5/16-18 x 1 ............ .... 4 2 .......... TS-0720081 ...................... Lock Washer .................................................... 5/16 ...............[...]

33 Parts List: Blade Guide Assembly Index No. Part No. Description Size Qty 57 ........ JWBS18DX-357 ................ Bearing Bracket ............................................... ........................... ....... 1 58 ........ 6295293 ............................ Locking Handle ................................................ .................[...]

34 Blade Guide Assembly[...]

35 Parts List: Table and Fence Assembly Index No. Part No. Description Size Qty 1 .......... JWBS18-401 ..................... Lock Handle ..................................................... ..................... ............. 1 2 .......... TS-0680021 ...................... Flat Washer ..................................................... 1/4 ...[...]

36 Parts List: Table and Fence Assembly Index No. Part No. Description Size Qty 57 ........ TS-0051091 ...................... Hex Cap Screw ................................................ 5/16”-18x2” ............. .. 2 58 ........ 40-0260 ............................. Wrench ............................................................ ........[...]

37 Table and Fence Assembly[...]

38 Electrical Connections 1.75HP, 1 Phase[...]

39 3HP, 1 Phase[...]

40 WMH Tool Group 2420 Vantage Drive Elgin, Illinois 60123 Phone: 800-274-6848 www.wmhtoolgroup.co m[...]